Asked by Urgen please help

Find the range and the variance (correct to one decimal place).
77, 92, 93, 93, 98

(b) Find the variance =

I had the range correct except the variance.
Answered by MathMate
What did you get, and how did you find it?
Answered by MathMate
See also previous answer:
http://www.jiskha.com/display.cgi?id=1338606009
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